save for 为…积蓄[储存]…; 节省
You won't be the one worrying about saving for college.
你不必担心他们的大学学费
You know how to save for life events and desired purchases.
您知道为应对生活中问题和购买所需的东西而储蓄。

calm down 平静，镇静，安静
But eventually they calm down and get slower.
但是最终他们会平静下来，越跑越慢。
I told myself to calm down.
我告诫自己要冷静下来。